feat: support no index choice Pt.2

Author: Vidalnt

tabs/tts/tts.py

@@ -19,6 +19,7 @@
     filter_dropdowns,
     get_files,
     get_speakers_id,
+    index_files,
     match_index,
     refresh_embedders_folders,
     update_filter_visibility,
@@ -72,7 +73,9 @@ def tts_tab():
             index_file = gr.Dropdown(
                 label=i18n("Index File"),
                 info=i18n("Select the index file to use for the conversion."),
-                choices=sorted(get_files("index")),
+                choices=[("No Index", "")] + [(x, x) for x in index_files]
+                if index_files
+                else [],
                 value=match_index(default_weight),
                 interactive=True,
                 allow_custom_value=True,